Home / 53,649.15-80,516.25-28,366.62

Finding the Fourth Proportional to 53,649.15, 80,516.25 and 28,366.62

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Solution

The fourth proportional to 53,649.15, 80,516.25 and 28,366.62 is: 42,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649.15 : 80,516.25 = 28,366.62 : x
  2. Step 2: Convert to fraction form
    53,649.15/80,516.25 = 28,366.62/x
  3. Step 3: Cross multiply
    53,649.15x = 80,516.25 × 28,366.62
  4. Step 4: Simplify right side
    53,649.15x = 2,283,973,867.58
  5. Step 5: Solve for x
    x = 2,283,973,867.58/53,649.15
  6. Step 6: Final answer
    x = 42,572.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.